6th:et-Cation and Anion

Front

What is an anion?

Back

An anion is a negatively charged ion that is formed when an atom gains one or more electrons.

Front

What is a cation?

Back

A cation is a positively charged ion that is formed when an atom loses one or more electrons.

Front

What charge does an anion carry?

Back

An anion carries a negative charge.

Front

What charge does a cation carry?

Back

A cation carries a positive charge.

Front

How are cations formed?

Back

Cations are formed by losing electrons.

Front

How are anions formed?

Back

Anions are formed by gaining electrons.

Front

Give an example of a cation.

Back

An example of a cation is the sodium ion (Na+).

Front

Give an example of an anion.

Back

An example of an anion is the chloride ion (Cl-).

Front

What happens to an atom when it becomes a cation?

Back

When an atom becomes a cation, it loses electrons and has more protons than electrons.

Front

What happens to an atom when it becomes an anion?

Back

When an atom becomes an anion, it gains electrons and has more electrons than protons.